CBSE Class 12 Political Science (2026–27)

Chapter 1: The End of Bipolarity

20 Important Questions and Answers

This chapter focuses on the disintegration of the Soviet Union, the end of the Cold War, the emergence of new states, Shock Therapy, and India’s relations with post-communist countries.


1. What was the Soviet System?

Answer:
The Soviet System emerged after the Russian Revolution of 1917 and led to the formation of the USSR. It was based on socialist ideals that aimed to establish an egalitarian society free from exploitation. The state controlled all major industries, agriculture, and economic planning. Political power rested with the Communist Party, and opposition parties were not allowed. The Soviet Union achieved significant progress in industrialisation, education, science, and military strength. It became one of the two superpowers after the Second World War. However, lack of political freedom, excessive centralisation, and economic inefficiencies gradually weakened the system and contributed to its eventual collapse.


2. Why is the fall of the Berlin Wall considered a historic event?

Answer:
The fall of the Berlin Wall in 1989 symbolised the end of the Cold War and the collapse of communist control in Eastern Europe. The wall had divided East and West Berlin since 1961 and represented ideological differences between socialism and capitalism. Its destruction reflected the growing demand for democracy and freedom among people living under communist regimes. The event encouraged political reforms across Eastern Europe and led to German reunification. It also signalled the weakening of Soviet influence in the region and paved the way for the disintegration of the Soviet Union. Therefore, it became a landmark event in world politics.


3. Explain the role of Mikhail Gorbachev in the disintegration of the Soviet Union.

Answer:
Mikhail Gorbachev became the leader of the Soviet Union in 1985 and introduced reforms known as Glasnost (openness) and Perestroika (restructuring). His objective was to modernise the Soviet economy and political system. He encouraged greater freedom of expression and attempted to reduce tensions with Western countries. However, these reforms unintentionally weakened the Communist Party’s control. People in various Soviet republics began demanding independence, while Eastern European nations rejected Soviet dominance. Economic difficulties continued despite reforms, leading to widespread dissatisfaction. As a result, the Soviet Union disintegrated in 1991, making Gorbachev a central figure in this historic transformation.


4. Mention any three causes of the disintegration of the Soviet Union.

Answer:
Several factors led to the collapse of the Soviet Union. First, economic stagnation created shortages of consumer goods and reduced public confidence in the system. Second, the highly centralised political structure denied democratic participation and generated dissatisfaction among citizens. Third, nationalist movements in various republics demanded autonomy and independence. Additionally, the costly arms race with the United States put immense pressure on the Soviet economy. Gorbachev’s reforms weakened central authority and encouraged criticism of the government. Together, these factors resulted in the disintegration of one of the world’s most powerful states in 1991.


5. What were the major consequences of the disintegration of the Soviet Union?

Answer:
The collapse of the Soviet Union brought major changes in global politics. It ended the Cold War and the ideological conflict between socialism and capitalism. The world moved from a bipolar system to a unipolar system dominated by the United States. Fifteen independent republics emerged from the former Soviet Union. Many of these countries adopted democratic institutions and market economies. The disintegration also led to economic crises, ethnic conflicts, and political instability in some regions. International organisations and globalisation gained greater influence in shaping world affairs after the end of Soviet power.


6. What is meant by Shock Therapy?

Answer:
Shock Therapy refers to the rapid transition from a socialist economy to a capitalist market economy in the former Soviet republics and Eastern European countries. It involved privatisation of state-owned industries, reduction of government control, free pricing, and encouragement of foreign investment. The policy aimed to integrate these countries into the global capitalist economy quickly. However, the transition caused severe economic difficulties, including inflation, unemployment, poverty, and social inequality. Many people lost their savings and jobs during this process. Although some countries eventually achieved economic growth, the immediate impact of Shock Therapy was largely painful and disruptive.


7. What were the negative effects of Shock Therapy?

Answer:
Shock Therapy produced several negative consequences. The sudden shift to a market economy led to the closure of many state-owned industries and loss of employment. Inflation increased rapidly, reducing the purchasing power of ordinary citizens. Social welfare systems weakened, causing hardships for vulnerable groups. Economic inequality widened as a small group accumulated wealth through privatisation. Corruption and organised crime also increased in some countries. While the policy aimed to modernise economies, it created social and economic instability in the short term. Therefore, many people associated Shock Therapy with economic suffering and uncertainty.


8. What is the Commonwealth of Independent States (CIS)?

Answer:
The Commonwealth of Independent States (CIS) was formed in 1991 after the disintegration of the Soviet Union. It was established by several former Soviet republics to maintain cooperation in economic, political, and security matters. The CIS aimed to facilitate peaceful relations among newly independent states and manage the transition following the Soviet collapse. Russia became the most influential member of the organisation. Although the CIS did not restore Soviet unity, it provided a framework for regional cooperation and coordination. The organisation continues to play a role in maintaining ties among some former Soviet republics.


9. Why did the Soviet model lose its appeal?

Answer:
The Soviet model gradually lost its appeal because it failed to meet the growing aspirations of its people. Economic inefficiency resulted in shortages of consumer goods and poor living standards compared to Western countries. The absence of political freedom and democratic participation created dissatisfaction among citizens. Technological advancement lagged behind that of capitalist nations. Corruption and bureaucratic control further weakened public confidence. As information about Western prosperity became more accessible, many people questioned the effectiveness of socialism. Consequently, support for the Soviet system declined, contributing to its eventual collapse.


10. How did the end of bipolarity affect world politics?

Answer:
The end of bipolarity transformed the international political system. During the Cold War, global politics revolved around competition between the United States and the Soviet Union. After the Soviet collapse, the United States emerged as the sole superpower, creating a unipolar world order. Military alliances and ideological rivalries weakened significantly. Globalisation expanded rapidly, and economic cooperation gained greater importance. International organisations became more active in addressing global issues. At the same time, new regional powers and conflicts emerged. Thus, the end of bipolarity reshaped international relations and influenced political developments worldwide.


11. What were Glasnost and Perestroika?

Answer:
Glasnost and Perestroika were reform policies introduced by Mikhail Gorbachev in the mid-1980s. Glasnost means “openness” and encouraged freedom of speech, transparency, and public discussion of government policies. Perestroika means “restructuring” and aimed to reform the Soviet economy by introducing limited market mechanisms and reducing bureaucratic control. These policies sought to modernise the Soviet Union and improve efficiency. However, they also exposed weaknesses in the political system and encouraged demands for greater autonomy and democracy. Ultimately, these reforms contributed to the weakening and eventual disintegration of the Soviet Union.


12. What challenges emerged in post-Soviet states after 1991?

Answer:
After the collapse of the Soviet Union, newly independent states faced numerous challenges. They had to establish new political institutions and economic systems. Many countries experienced economic decline, inflation, and unemployment due to the transition to market economies. Ethnic and regional conflicts emerged in several areas. Weak governance and corruption further complicated development efforts. Building national identities and maintaining political stability were also difficult tasks. Despite these challenges, some states gradually implemented democratic reforms and achieved economic growth. The post-Soviet transition remains one of the most significant political transformations of modern history.


13. Explain the significance of Boris Yeltsin.

Answer:
Boris Yeltsin was a key political leader during the final years of the Soviet Union. He emerged as a critic of Communist Party control and became the first elected President of Russia. Yeltsin played a major role in resisting a coup attempt against Gorbachev in 1991 and supported democratic reforms. He was instrumental in the dissolution of the Soviet Union and the formation of the Russian Federation. Under his leadership, Russia adopted market-oriented economic reforms. Although these reforms were controversial and caused economic difficulties, Yeltsin remains an important figure in Russia’s transition from communism to democracy.


14. Why did nationalism become a major factor in Soviet disintegration?

Answer:
Nationalism played a crucial role in the collapse of the Soviet Union because many republics sought greater autonomy and independence. The USSR consisted of diverse ethnic, linguistic, and cultural groups. As Gorbachev’s reforms weakened central control, nationalist movements gained momentum. People demanded the right to govern themselves and preserve their distinct identities. Several republics, including Ukraine and the Baltic states, declared independence. These movements challenged the unity of the Soviet Union and reduced the authority of the central government. Ultimately, nationalist aspirations contributed significantly to the breakup of the USSR into independent states.


15. How did the Soviet Union influence Eastern Europe?

Answer:
After the Second World War, the Soviet Union established strong political and military influence over Eastern European countries. Communist governments were installed in these states, and their political and economic systems were modelled on the Soviet pattern. The USSR also maintained control through military alliances and political pressure. However, by the late 1980s, people in Eastern Europe demanded democratic reforms and greater freedom. Gorbachev chose not to use military force to suppress these movements. As a result, communist regimes collapsed one after another, leading to democratic transitions and the end of Soviet dominance in the region.


16. What was the significance of the Cold War’s end?

Answer:
The end of the Cold War marked the conclusion of decades of political, military, and ideological rivalry between the United States and the Soviet Union. It reduced the risk of direct conflict between nuclear powers and created opportunities for international cooperation. Military tensions declined, and many countries redirected resources from defence to development. The collapse of communist regimes in Eastern Europe accelerated democratic reforms. At the same time, new challenges such as regional conflicts, terrorism, and economic inequalities emerged. The end of the Cold War therefore reshaped the international system and influenced global politics in profound ways.


17. How did India maintain relations with post-communist Russia?

Answer:
India maintained strong and friendly relations with Russia after the disintegration of the Soviet Union. The two countries continued cooperation in defence, science, technology, energy, and space research. Russia remained an important supplier of military equipment to India. Economic and diplomatic ties also expanded through trade and strategic partnerships. India supported peaceful relations with all newly independent republics while preserving its historic friendship with Russia. These relations contributed to regional stability and mutual development. The continuity of cooperation demonstrates the strength of Indo-Russian ties despite major changes in the international political environment.


18. What is meant by unipolarity?

Answer:
Unipolarity refers to an international system in which one country possesses dominant political, military, and economic power. After the collapse of the Soviet Union in 1991, the United States emerged as the sole superpower, creating a unipolar world order. In this system, the influence of one state outweighs that of all others. The United States played a leading role in international institutions, global security, and economic affairs. However, the rise of regional powers and emerging economies later challenged complete dominance. Unipolarity remains an important concept for understanding post-Cold War world politics.


19. Why was the Soviet Union considered a superpower?

Answer:
The Soviet Union was considered a superpower because of its enormous military strength, vast territory, industrial capacity, and global political influence. It possessed a large nuclear arsenal and maintained strategic alliances across the world. The Soviet economy was among the largest globally and supported significant achievements in science, technology, and space exploration. Along with the United States, it shaped international politics during the Cold War. The USSR also promoted socialist ideology worldwide and influenced many developing nations. These factors established its status as one of the most powerful countries of the twentieth century.


20. What lessons can be learned from the collapse of the Soviet Union?

Answer:
The collapse of the Soviet Union highlights the importance of responsive governance, economic efficiency, and political participation. A political system must adapt to changing social and economic conditions to remain stable. Excessive centralisation and lack of democratic freedoms can weaken public support. Economic stagnation and technological backwardness may also undermine national strength. The Soviet experience demonstrates that reforms must be carefully managed to avoid instability. It further shows the power of nationalism and public opinion in shaping political change. These lessons remain relevant for understanding contemporary political systems and international relations.